11
KX-TG9471CB/KX-TG9472CB/KX-TGA939CB
SP-phone RX
SP-phone TX
PCM_DOUT
PCM_DIN
PCM_CLK
PCM_FSC
SPIDO
SPICLK
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
KEY_OUTPUT_0
KEY_OUTPUT_1
KEY_OUTPUT_7
KEY_OUTPUT_6
KEY_OUTPUT_5
KEY_OUTPUT_4
KEY_OUTPUT_3
KEY_OUTPUT_2
A15
A14
A13
A12
A11
A10
A9
A8
WRITE*
A18
A17
A7
A6
A5
A4
A3
A2
A1
LINE1_BELL_DET
LINE2_BELL_DET
Answer_LED
Message_LED
TAM_RESET*
TAM_CLK
KEY_INPUT_3
KEY_INPUT_2
TAM_RESET*
LINE1_LED
LINE2_LED
USB_LED
PF_RESET*
LINE2_HOOK
LINE1_HOOK
LCD_BACK_LED
LCD_CS*
LCD_Reset*
LCD_C*/D
SPIDI
TAM_CS*
TAM_CS*
SPIDO
SPIDO
SPICLK
LCD_Reset*
LCD_Reset*
LCD_CS*
LCD_CS*
LCD_C*/D
LCD_C*/D
LCD_BACK_LED
TAM_FLASH_CS*
IC701
1
GPIO4/
PCM_DI
2
GPIO5/PCM_DO
9
SPI_DI
3
GPIO6/PCM_CLK
4
GPIO7/PCM_FSC
5
VDD1
6
VDDIO1
7
CLK
8
*PF
10
SPI_DO
11
SPI_CLK
12
SPI_EN
13
AVD1
14
GPO9/PAOUTp
15
VDDPA
16
GPO8/PAOUTm
17
GPIO0
18
GPIO1
19
VDD2
20
VDDIO2
21
GPIO2
22
GPIO3
23
*RST
24
AVD2
25
*LSR
26
LSRp
27
MICh
28
*MIC
29
VREFm
30
VBUF
31
MICp
32
VREFp
33
Fin
+3.0V
+3.0V
+3.0V
+1.8V
IC631
1
*OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11
CK
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
Q0
20
VCC
IC641
1
*OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11
CK
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
Q0
20
VCC
+3.3V
+3.0V
+3.0V
R76547k
R706
47k
+3.0V
R724 2.2k
R703
100k
R727
330
D631
D632
D633
D634
D645
D636
D637
D638
C744
1u
C704
1n
C707
100n
C705
100n
C706
100n
C701100n
C703100n
C765
100n
C641100n
C631
100n
C761
100n
C702
10p
C743
100u
L772
AG601
L751
AG601
L752
AG601
L771
AG601
C728
100n
C708
100n
+3.0V
+1.8V
R641
10k
R642
10k
Q773
C762
NC
R776
47k
HS-SP-M
HS-SP-P
HS-Mic-M
HS-Mic-P
SP+
SP-
C646
NC
R777
22k
C746
10p
C745
10p
R705
47k
Q761
C776
2.2n
R763
NC
R762
NC
R764560
L620
NC
R743
6.8
C726100n
Q772
R728
470
R722
33
R721
33
C722
NC
C72510p
C721
NC
D721
NC
C770
330p
C753
1u
C775
2.2n
C773
1n
R754
4.7k
C778
2.2n
C771
100n
C774
NC
C755
680p
R772
2.2k
C772
100n
R771
2.2k
C754
680p
R774
2.2k
C752
4.7u
R773
2.2k
C751
4.7u
C779
NC
C756
NC
C777
NC
C757
NC
CN601
1
2
3
4
5
6
7
8
C613
0.1u
+3.0V
+4.0V
C727
10u
L742
L741
C747
330p
C748
330p
C742
10p
C741
10p
L746
240
L745 240
IC561
8M
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
NC1
10
NC2
11
*WE
12
*RESET
13
NC3
14
NC4
15
RY/*BY
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
*CE
27
VSS1
28
*OE
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
VCC
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15/A-1
46
VSS2
47
*BYTE
48
A16
R704
1k
IC761
16M
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
R623
NC
LCD_RS
LCD_CD
LCD_CS
+3.0V_LCD
SPI_CLK
SPI_DO
LCD_GND
LCD_LED
R64310k
Q621
C783
100p
C648
NC
C647NC
C781
100p
C782
330p
C784
330p
R624
4.7
R625
4.7
R779
56
R780
56
MIC
MIC+
MIC-
C649
1000p
C650
220p
C651
220p
Q622
R622
560
R751
15
R752
15
D771
5.1V
D751
5.1V
D772
5.1V
D752
5.1V
D741
D742
C780
68p
+
-
TO HANDSET
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(r)
(q)
(s)
(u)
(t)
(v)
KX-TG9471/9472C SCHEMATIC DIAGRAM (Base Unit_Main) (2/4)
NC: No Components
2/4
